#!/bin/bash

function yes_or_no()
{
	echo "Is your name $* ?"
	while true; do
		echo -n "Enter yes/y or no/n: "
		read answer
		case "$answer" in 
			y | yes)	return 0;;
			n | no)		return 1;;
			*)		echo "Answer yes or no"
		esac
	done
}

echo "Original parameters are $* "
if yes_or_no "$1"; then
	echo "Hi $1, nice name"
else
	echo "Never mind"
fi

exit 0
